Date: Fri, 23 Jul 2010 20:07:55 +0100 From: John Hawkes-Reed <hirez@libeljournal.com> To: freebsd-stable@freebsd.org Subject: Re: Using GTP and glabel for ZFS arrays Message-ID: <4C49E88B.9030508@libeljournal.com> In-Reply-To: <alpine.BSF.2.00.1007232201440.3572@woozle.rinet.ru> References: <4C47B57F.5020309@langille.org> <4C48E695.6030602@langille.org> <4C498024.7050106@libeljournal.com> <alpine.BSF.2.00.1007232201440.3572@woozle.rinet.ru>
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On 23/07/2010 19:04, Dmitry Morozovsky wrote: > On Fri, 23 Jul 2010, John Hawkes-Reed wrote: > > JH> Since I still have the medium-sized ZFS array on the bench, testing this GPT > JH> setup seemed like a good idea. > JH> > JH> The hardware's a Supermicro X8DTL-iF m/b + 12Gb memory, 2x 5502 Xeons, 3x > JH> Supermicro USASLP-L8I 3G SAS controllers and 24x Hitachi 2Tb drives. > > [snip] > > JH> For an apples/oranges comparison, here's the output from the other box we > JH> built. The hardware's more or less the same - the drive controller's an > JH> Areca-1280, but the OS was Solaris 10.latest: > JH> > JH> --------Sequential Output------- ---Sequential Input-- --Random-- > JH> -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- > JH> > JH> GB M/sec %CPU M/sec %CPU M/sec %CPU M/sec %CPU M/sec %CPU /sec %CPU > JH> 5 116.8 75.0 524.7 65.4 156.3 20.3 161.6 99.2 2924.0 100.0 199999 300.0 > > . ~~~~~~ > > Frakking Cylons! You have quite a beast! ;-) :D Like I said, I think those numbers were the Bonnie test data fitting inside the cache. Making all the bits work together has been a bit of a nightmare, but we're really pleased with the performance and stability of 8.1 + ZFS. (Having said that, the kit will spit the drives out of the cab over the weekend for spite...) -- JH-R
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